Home / 89,718,527.90-123,834,603.22-58,434,531.72

Finding the Fourth Proportional to 89,718,527.90, 123,834,603.22 and 58,434,531.72

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Solution

The fourth proportional to 89,718,527.90, 123,834,603.22 and 58,434,531.72 is: 80,654,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718,527.90 : 123,834,603.22 = 58,434,531.72 : x
  2. Step 2: Convert to fraction form
    89,718,527.90/123,834,603.22 = 58,434,531.72/x
  3. Step 3: Cross multiply
    89,718,527.90x = 123,834,603.22 × 58,434,531.72
  4. Step 4: Simplify right side
    89,718,527.90x = 7,236,217,049,892,704
  5. Step 5: Solve for x
    x = 7,236,217,049,892,704/89,718,527.90
  6. Step 6: Final answer
    x = 80,654,656.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.